Fig. 1From: Oral administration of 6-methylsulfinylhexyl isothiocyanate extracted from wasabi is safe and improves the fatigue and sleep of healthy volunteersChanges of VAS scores of fatigue after treatment with extractPre: before the Uchida-Kraepelin test, Post: after the Uchida-Kraepelin testMean ± standard deviation, n = 19, **p < 0.01Back to article page